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Control method, control device and air conditioner for air conditioner defrosting

A control method and air-conditioning technology, applied in the field of control devices, air-conditioning defrosting control methods, and air-conditioning defrosting, can solve the problems of reduced defrosting capacity and achieve the effect of reducing the decline over time

Active Publication Date: 2021-11-23
QINGDAO HAIER AIR CONDITIONER GENERAL CORP LTD +1
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0007] Embodiments of the present disclosure provide a control method, a control device, and an air conditioner for defrosting an air conditioner, so as to solve the technical problem in the related art that the defrosting capacity of the bypass defrosting mode will decrease over time

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  • Control method, control device and air conditioner for air conditioner defrosting

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Embodiment Construction

[0023] In order to understand the characteristics and technical content of the embodiments of the present disclosure in more detail, the implementation of the embodiments of the present disclosure will be described in detail below in conjunction with the accompanying drawings. The attached drawings are only for reference and description, and are not intended to limit the embodiments of the present disclosure. In the following technical description, for purposes of explanation, numerous details are set forth in order to provide a thorough understanding of the disclosed embodiments. However, one or more embodiments may be practiced without these details. In other instances, well-known structures and devices may be shown simplified in order to simplify the drawings.

[0024] figure 1 It is a schematic flowchart of a control method for air conditioner defrosting provided by an embodiment of the present disclosure.

[0025] Such as figure 1 As shown, the embodiments of the prese...

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Abstract

The present application relates to the technical field of air conditioner defrosting, and discloses a control method for air conditioner defrosting. The control method includes: when the air conditioner enters the bypass defrosting mode, obtaining the defrosting working parameter and the defrosting attenuation parameter; if the defrosting working parameter and the defrosting attenuation parameter meet the defrosting protection condition, reducing the defrosting bypass Refrigerant flow in branch circuit. The control method provided by the embodiments of the present disclosure can control and reduce the refrigerant flow rate of the defrosting bypass branch according to the defrosting attenuation parameter and the defrosting working parameter when the air conditioner enters the bypass defrosting mode, so as to reduce the refrigerant flow rate of the defrosting bypass branch. The flow of high-temperature refrigerant used for defrosting is shunted through the bypass, thereby reducing the adverse effects of the temperature and flow of the gaseous return air refrigerant of the compressor caused by excessive refrigerant being used for defrosting, thereby reducing the adverse effects caused by the operation The defrosting ability of the air conditioner decreases over time caused by the bypass defrosting mode. The application also discloses a control device for defrosting the air conditioner and the air conditioner.

Description

technical field [0001] The present application relates to the technical field of air conditioner defrosting, for example, to a control method for air conditioner defrosting, a control device and an air conditioner. Background technique [0002] With the development of science and technology, air conditioners, as a necessary electrical equipment in the daily life of ordinary people, have gradually developed from the initial single-cooling models to advanced models with more functions such as cooling, heating and defrosting. Here For air-conditioning products that operate in low-temperature areas or in windy and snowy conditions, an important problem that inevitably needs to be faced is the frosting problem of the outdoor unit of the air conditioner. The role of the evaporator that absorbs heat in the environment is affected by the temperature and humidity of the outdoor environment in winter. More frost is likely to condense on the outdoor heat exchanger, and when the frost a...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F24F11/42F24F11/64F25B47/02
CPCF25B47/022F25B2347/02F24F11/42F24F11/64
Inventor 许文明罗荣邦
Owner QINGDAO HAIER AIR CONDITIONER GENERAL CORP LTD
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